package com.zxx.diy;

//方式三使用注解方式实现AOP

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;

@Aspect  //标注这个类是一个切面
public class AnnotationPointCut {

    @Before("execution(* com.zxx.service.UserServiceImpl.*(..))")
    public void before(){
        System.out.println("=========方法执行前=========");
    }

    @After("execution(* com.zxx.service.UserServiceImpl.*(..))")
    public void after(){
        System.out.println("=========方法执行后=========");
    }

    //在环绕增强中，我们可以给定一个参数，代表要获取处理切入的点
    @Around("execution(* com.zxx.service.UserServiceImpl.*(..))")
    public void around(ProceedingJoinPoint jp) throws Throwable {
        System.out.println("环绕前");

//        Signature signature = jp.getSignature();//获得签名
//        System.out.println("signature:"+signature);

        //执行方法
        Object proceed = jp.proceed();
        System.out.println("环绕后 ");

    }
}
